Home / 3,728.37-5,141.62-2,450.01

Finding the Fourth Proportional to 3,728.37, 5,141.62 and 2,450.01

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Solution

The fourth proportional to 3,728.37, 5,141.62 and 2,450.01 is: 3,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.37 : 5,141.62 = 2,450.01 : x
  2. Step 2: Convert to fraction form
    3,728.37/5,141.62 = 2,450.01/x
  3. Step 3: Cross multiply
    3,728.37x = 5,141.62 × 2,450.01
  4. Step 4: Simplify right side
    3,728.37x = 12,597,020.42
  5. Step 5: Solve for x
    x = 12,597,020.42/3,728.37
  6. Step 6: Final answer
    x = 3,378.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.